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                    12.2020-01-16-java基本语法
            
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                    1.2019-12-28-arthas-example
            
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                    3.2020-01-10-思考性能调优
            
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                    4.2020-01-10-性能调优举例-最佳实践
            
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                    5.2020-01-10-性能调优举例一
            
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                    6.2020-01-10-性能调优举例三
            
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                    7.2020-01-10-性能调优举例二
            
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                    8.2020-01-10-性能调优举例四
            
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                    9.2020-01-15-性能调优举例五
            
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                    10.2020-05-12-性能调优举例六
            
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                    11.arthas-mind-map
            
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                    1.2019-12-28-dubbo涉及的技术
            
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                    3.2019-12-30-dubbo面试
            
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                    [jdk]
            
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                    1.2020-01-12-实例介绍 JAVA 泛型基础
            
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                    2.2020-01-13-ThreadLocal六连问
            
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                    1.2019-12-30-性能调优
            
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                    [netty]
            
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                    1.2020-01-16-netty入门
            
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                    2.2020-01-16-netty核心概念
            
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                    [solr]
            
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                    1.2019-12-28-solr-7.6.0.tgz安装
            
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                    [spring]
            
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                    1.2020-01-12-SpringBoot属性读取方式介绍
            
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        <li class="chapter " data-level="2.13.2" data-path="2020-01-12-使用spring boot+mybatis plus快速入门.html">
            
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                    2.2020-01-12-使用spring boot+mybatis plus快速入门
            
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        <li class="chapter " data-level="2.13.3" data-path="2020-01-13-spring-initMethod-destoryMethod.html">
            
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                    3.2020-01-13-spring-initMethod-destoryMethod
            
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        <li class="chapter " data-level="2.13.4" data-path="2020-01-13-spring循环依赖.html">
            
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                    4.2020-01-13-spring循环依赖
            
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        <li class="chapter " data-level="2.13.5" data-path="2020-01-13-spring源码随记.html">
            
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                    5.2020-01-13-spring源码随记
            
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        <li class="chapter active" data-level="2.13.6" data-path="2020-01-13-自定义mini-spring.html">
            
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                    6.2020-01-13-自定义mini-spring
            
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                    [websocket]
            
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                    1.2019-12-30-webscoket-springboot通信
            
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                    [linux]
            
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        <li class="chapter " data-level="2.15.1" data-path="../../linux/2019-12-28-Linux常用命令和快捷键.html">
            
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                    1.2019-12-28-Linux常用命令和快捷键
            
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        <li class="chapter " data-level="2.15.2" data-path="../../linux/2019-12-28-从零到一环境安装.html">
            
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                    2.2019-12-28-从零到一环境安装
            
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        <li class="chapter " data-level="2.15.3" data-path="../../linux/2019-12-30-vi-常用命令.html">
            
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                    3.2019-12-30-vi-常用命令
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.4" data-path="../../linux/2019-12-31-awk命令.html">
            
                <a href="../../linux/2019-12-31-awk命令.html">
            
                    
                    4.2019-12-31-awk命令
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.5" data-path="../../linux/2019-12-31-cup信息分析.html">
            
                <a href="../../linux/2019-12-31-cup信息分析.html">
            
                    
                    5.2019-12-31-cup信息分析
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.6" data-path="../../linux/2019-12-31-shell编程.html">
            
                <a href="../../linux/2019-12-31-shell编程.html">
            
                    
                    6.2019-12-31-shell编程
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.7" data-path="../../linux/2019-12-31-top命令.html">
            
                <a href="../../linux/2019-12-31-top命令.html">
            
                    
                    7.2019-12-31-top命令
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.8" data-path="../../linux/2019-12-31-普通用户docker的问题.html">
            
                <a href="../../linux/2019-12-31-普通用户docker的问题.html">
            
                    
                    8.2019-12-31-普通用户docker的问题
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.9" data-path="../../linux/2020-01-01-centos7 安装kubernetes.html">
            
                <a href="../../linux/2020-01-01-centos7 安装kubernetes.html">
            
                    
                    9.2020-01-01-centos7 安装kubernetes
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.10" data-path="../../linux/2020-01-01-centos安装常用配置.html">
            
                <a href="../../linux/2020-01-01-centos安装常用配置.html">
            
                    
                    10.2020-01-01-centos安装常用配置
            
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        <li class="chapter " data-level="2.15.11" data-path="../../linux/2020-01-01-docker使用.html">
            
                <a href="../../linux/2020-01-01-docker使用.html">
            
                    
                    11.2020-01-01-docker使用
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.12" data-path="../../linux/2020-01-01-kubernetes使用.html">
            
                <a href="../../linux/2020-01-01-kubernetes使用.html">
            
                    
                    12.2020-01-01-kubernetes使用
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.13" data-path="../../linux/2020-05-12-PG有用的SQL.html">
            
                <a href="../../linux/2020-05-12-PG有用的SQL.html">
            
                    
                    13.2020-05-12-PG有用的SQL
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.14" data-path="../../linux/2020-05-12-vim命令.html">
            
                <a href="../../linux/2020-05-12-vim命令.html">
            
                    
                    14.2020-05-12-vim命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.16" >
            
                <span>
            
                    
                    [automate]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.16.1" data-path="../../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                <a href="../../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                    
                    1.2020-01-12-redis伪集群创建脚本
            
                </a>
            

            
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        <li class="chapter " data-level="2.16.2" data-path="../../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                <a href="../../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                    
                    2.2020-01-12-tomcat集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.3" data-path="../../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                <a href="../../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                    
                    3.2020-01-12-zookeeper自动化脚本
            
                </a>
            

            
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        <li class="chapter " data-level="2.16.4" data-path="../../linux/automate/2020-01-12-其他自动化脚本.html">
            
                <a href="../../linux/automate/2020-01-12-其他自动化脚本.html">
            
                    
                    4.2020-01-12-其他自动化脚本
            
                </a>
            

            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.17" >
            
                <span>
            
                    
                    [MySQL]
            
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                    1.2019-12-31-mysql常用命令
            
                </a>
            

            
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            </ul>
            
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                    [nginx]
            
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                    1.2019-12-29-Nginx-Keepalived高可用集群
            
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                    2.2020-01-16-nginx参数详细说明
            
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                    [other]
            
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                    1.2019-12-28-知识小计
            
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        <li class="chapter " data-level="2.19.2" data-path="../../other/2020-01-04-科学上网.html">
            
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                    2.2020-01-04-科学上网
            
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        <li class="chapter " data-level="2.19.3" data-path="../../other/2020-05-13-正则表达式.html">
            
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                    3.2020-05-13-正则表达式
            
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        <li class="chapter " data-level="2.19.4" data-path="../../other/template.html">
            
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                    4.template
            
                </a>
            

            
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            </ul>
            
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        <li class="chapter " data-level="2.20" >
            
                <span>
            
                    
                    [PostgreSQL]
            
                </span>
            

            
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        <li class="chapter " data-level="2.20.1" data-path="../../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
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                    1.2019-12-28-PostgreSQL安装文档
            
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        <li class="chapter " data-level="2.20.2" data-path="../../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
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                    2.2019-12-28-Postgres学习笔记
            
                </a>
            

            
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        <li class="chapter " data-level="2.20.3" data-path="../../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                <a href="../../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                    
                    3.2019-12-28-脚本MYSQL导出数据到PG
            
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        <li class="chapter " data-level="2.20.4" data-path="../../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                <a href="../../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                    
                    4.2020-01-04-docker-PostgreSQL安装文档
            
                </a>
            

            
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        <li class="chapter " data-level="2.20.5" data-path="../../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                <a href="../../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                    
                    5.2020-01-17-阿里云PG主从切换问题
            
                </a>
            

            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.21" >
            
                <span>
            
                    
                    [python]
            
                </span>
            

            
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        <li class="chapter " data-level="2.21.1" data-path="../../python/2019-12-28-pip-install指定国内源镜像.html">
            
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                    1.2019-12-28-pip-install指定国内源镜像
            
                </a>
            

            
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        <li class="chapter " data-level="2.21.2" data-path="../../python/2019-12-30-python内置函数.html">
            
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                    2.2019-12-30-python内置函数
            
                </a>
            

            
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        <li class="chapter " data-level="2.21.3" data-path="../../python/2019-12-30-一图搞懂基本python语法 .html">
            
                <a href="../../python/2019-12-30-一图搞懂基本python语法 .html">
            
                    
                    3.2019-12-30-一图搞懂基本python语法 
            
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            </ul>
            
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        <li class="chapter " data-level="2.22" >
            
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                    [redis]
            
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                    1.2019-12-28-redis5.0.3安装
            
                </a>
            

            
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        <li class="chapter " data-level="2.22.2" data-path="../../redis/2019-12-28-redis5.0.3集群搭建.html">
            
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                    2.2019-12-28-redis5.0.3集群搭建
            
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                    [tool]
            
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                    1.2019-12-28-idea高效使用技巧和快捷键
            
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        <li class="chapter " data-level="2.23.2" data-path="../../tool/2019-12-28-PlantUML画图脚本.html">
            
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                    2.2019-12-28-PlantUML画图脚本
            
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        <li class="chapter " data-level="2.23.3" data-path="../../tool/2019-12-30-vscode高效使用.html">
            
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                    3.2019-12-30-vscode高效使用
            
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                    2.2020-01-12-注册bat为windows服务
            
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                                <p>&#x81EA;&#x5B9A;&#x4E49;mini-springmvc,&#x624B;&#x5199;spring&#x6838;&#x5FC3;&#x5B9E;&#x73B0;</p>
<h2 id="&#x6982;&#x5FF5;">&#x6982;&#x5FF5;</h2>
<p>IOC  &#x63A7;&#x5236;&#x53CD;&#x8F6C;(&#x521B;&#x5EFA;&#x5BF9;&#x8C61;&#x7684;&#x6743;&#x5229;&#x8F6C;&#x79FB;&#x7ED9;spring)</p>
<p>DI  &#x4F9D;&#x8D56;&#x6CE8;&#x5165;(&#x6709;&#x6846;&#x67B6;&#x7ED9;&#x5BF9;&#x8C61;&#x8BBE;&#x7F6E;&#x9700;&#x8981;&#x7684;&#x5C5E;&#x6027;&#x503C;)   </p>
<p>handlerMapping &#x5904;&#x7406;&#x5668;&#x6620;&#x5C04;&#x5668;   </p>
<p>handlerAdapter  &#x5904;&#x7406;&#x5668;&#x9002;&#x914D;&#x5668;  </p>
<p>DistpatcherServlet &#x4E2D;&#x592E;&#x63A7;&#x5236;&#x5668; </p>
<p>&#x7528;&#x5230;&#x7684;&#x77E5;&#x8BC6;</p>
<p>web&#x4E2D;servlet&#x77E5;&#x8BC6;</p>
<p>&#x6CE8;&#x89E3;</p>
<p>&#x53CD;&#x5C04;</p>
<h2 id="&#x4F9D;&#x8D56;">&#x4F9D;&#x8D56;</h2>
<pre><code class="lang-xml"> <span class="hljs-tag">&lt;<span class="hljs-name">dependencies</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>javax.servlet<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>servlet-api<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>2.5<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-name">scope</span>&gt;</span>provided<span class="hljs-tag">&lt;/<span class="hljs-name">scope</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span>
    <span class="hljs-tag">&lt;/<span class="hljs-name">dependencies</span>&gt;</span>



    <span class="hljs-tag">&lt;<span class="hljs-name">build</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-name">plugins</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-name">plugin</span>&gt;</span>
                <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.apache.tomcat.maven<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span>
                <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>tomcat7-maven-plugin<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span>
                <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>2.2<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span>
                <span class="hljs-tag">&lt;<span class="hljs-name">configuration</span>&gt;</span>
                    <span class="hljs-tag">&lt;<span class="hljs-name">path</span>&gt;</span>/<span class="hljs-tag">&lt;/<span class="hljs-name">path</span>&gt;</span>
                    <span class="hljs-tag">&lt;<span class="hljs-name">port</span>&gt;</span>8080<span class="hljs-tag">&lt;/<span class="hljs-name">port</span>&gt;</span>
                    <span class="hljs-tag">&lt;<span class="hljs-name">uriEncoding</span>&gt;</span>UTF-8<span class="hljs-tag">&lt;/<span class="hljs-name">uriEncoding</span>&gt;</span>
                <span class="hljs-tag">&lt;/<span class="hljs-name">configuration</span>&gt;</span>
            <span class="hljs-tag">&lt;/<span class="hljs-name">plugin</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-name">plugins</span>&gt;</span>
    <span class="hljs-tag">&lt;/<span class="hljs-name">build</span>&gt;</span>
</code></pre>
<h2 id="&#x6E90;&#x7801;">&#x6E90;&#x7801;</h2>
<p>github: <a href="https://github.com/zhuliangcai/myproject/tree/master/myspringmvc" target="_blank">https://github.com/zhuliangcai/myproject/tree/master/myspringmvc</a></p>
<pre><code class="lang-java">
<span class="hljs-keyword">package</span> com.springframework.servlet;

<span class="hljs-keyword">import</span> com.springframework.annotaion.*;

<span class="hljs-keyword">import</span> javax.servlet.ServletConfig;
<span class="hljs-keyword">import</span> javax.servlet.ServletException;
<span class="hljs-keyword">import</span> javax.servlet.http.HttpServlet;
<span class="hljs-keyword">import</span> javax.servlet.http.HttpServletRequest;
<span class="hljs-keyword">import</span> javax.servlet.http.HttpServletResponse;
<span class="hljs-keyword">import</span> java.io.File;
<span class="hljs-keyword">import</span> java.io.IOException;
<span class="hljs-keyword">import</span> java.io.InputStream;
<span class="hljs-keyword">import</span> java.lang.reflect.Field;
<span class="hljs-keyword">import</span> java.lang.reflect.Method;
<span class="hljs-keyword">import</span> java.lang.reflect.Parameter;
<span class="hljs-keyword">import</span> java.net.URL;
<span class="hljs-keyword">import</span> java.util.*;
<span class="hljs-keyword">import</span> java.util.concurrent.ConcurrentHashMap;

<span class="hljs-comment">/**
 * &#x8986;&#x76D6; service  init
 */</span>
<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">MyDispatcherServlet</span> <span class="hljs-keyword">extends</span> <span class="hljs-title">HttpServlet</span> </span>{
    <span class="hljs-comment">//&#x5C5E;&#x6027;&#x914D;&#x7F6E;&#x5BB9;&#x5668;</span>
    <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> Properties myConfig = <span class="hljs-keyword">new</span> Properties();
    <span class="hljs-comment">//&#x6240;&#x6709;&#x9700;&#x8981;&#x521D;&#x59CB;&#x5316;&#x7684;&#x7C7B;&#x7684;&#x5168;&#x9650;&#x5B9A;&#x540D;</span>
    <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> List&lt;String&gt; classNames = <span class="hljs-keyword">new</span> ArrayList&lt;String&gt;();
    <span class="hljs-comment">//IOC&#x5BB9;&#x5668; key&#x4E3A;id &#x5B9E;&#x4F8B;&#x4E3A;value</span>
    <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> Map&lt;String, Object&gt; ioc = <span class="hljs-keyword">new</span> ConcurrentHashMap&lt;String, Object&gt;();

    <span class="hljs-comment">//url&#x4E0E;&#x65B9;&#x6CD5;&#x7684;&#x6620;&#x5C04;</span>
    <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> Map&lt;String, Method&gt; handlerMap = <span class="hljs-keyword">new</span> ConcurrentHashMap&lt;String, Method&gt;();
    <span class="hljs-comment">//&#x521D;&#x59CB;&#x5316;&#x7C7B;&#x52A0;&#x8F7D;&#x5668;</span>
    <span class="hljs-keyword">private</span> ClassLoader defalutClassLoader;

    <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> Map&lt;String, Object&gt; controllerMap = <span class="hljs-keyword">new</span> ConcurrentHashMap&lt;String, Object&gt;();


    <span class="hljs-comment">/**

     */</span>
    <span class="hljs-meta">@Override</span>
    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">service</span><span class="hljs-params">(HttpServletRequest req, HttpServletResponse resp)</span> <span class="hljs-keyword">throws</span> ServletException, IOException </span>{
        <span class="hljs-comment">//  / ----&gt; &#x8BF7;&#x6C42;&#x4E86; /soso ----&gt; &#x8BF7;&#x6C42;&#x4E86;</span>
        System.out.println(req.getRequestURI() + <span class="hljs-string">&quot; ----&gt; &#x8BF7;&#x6C42;&#x4E86;&quot;</span>);

        <span class="hljs-comment">//5.&#x53CD;&#x5C04;&#x8C03;&#x7528;&#x65B9;&#x6CD5;</span>
        <span class="hljs-comment">//do service</span>
        doHandler(req,resp);
    }

    <span class="hljs-function"><span class="hljs-keyword">private</span> <span class="hljs-keyword">void</span> <span class="hljs-title">doHandler</span><span class="hljs-params">(HttpServletRequest req, HttpServletResponse resp)</span> <span class="hljs-keyword">throws</span> ServletException, IOException</span>{
        String requestURI = req.getRequestURI();

        <span class="hljs-keyword">if</span>(!handlerMap.containsKey(requestURI)){
            resp.getWriter().write(<span class="hljs-string">&quot;404 &quot;</span>+requestURI+ <span class="hljs-string">&quot; not Found !&quot;</span>);
            <span class="hljs-keyword">return</span>;
        }

        Method method = handlerMap.get(requestURI);
        <span class="hljs-comment">//&#x8FD9;&#x91CC;&#x9700;&#x8981;&#x65B9;&#x6CD5;&#x6240;&#x5728;&#x7684;&#x7C7B;&#x5BF9;&#x8C61; , &#x9700;&#x8981;&#x6709;&#x4E00;&#x4E2A; url &#x4E0E; Controller&#x7684;&#x6620;&#x5C04;&#x5173;&#x7CFB;&#x5BB9;&#x5668;</span>
        Map parameterMap = req.getParameterMap();
        System.out.println(<span class="hljs-string">&quot;&#x53C2;&#x6570;:&quot;</span>+parameterMap);
        <span class="hljs-keyword">try</span> {
            Parameter[] parameters = method.getParameters();

            Class&lt;?&gt;[] parameterTypes = method.getParameterTypes();
            Object[] params = <span class="hljs-keyword">new</span> Object[parameterTypes.length];
            <span class="hljs-keyword">for</span>(<span class="hljs-keyword">int</span> i=<span class="hljs-number">0</span>;i&lt;parameterTypes.length;i++){
                Class&lt;?&gt; type = parameterTypes[i];
                System.out.println(type);
                <span class="hljs-keyword">if</span>(type == HttpServletRequest.class){
                    params[i]=req;
                }<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(type == HttpServletResponse.class){
                    params[i]=resp;
                }<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(type == String.class){
                    String name = parameters[i].getName();
                    System.out.println(<span class="hljs-string">&quot;&#x53C2;&#x6570;&#x540D;&#x79F0;&quot;</span>+name);
                    <span class="hljs-comment">//&#x7C97;&#x7565;&#x5904;&#x7406;</span>
                    RequestParam requestParam = parameters[i].getAnnotation(RequestParam.class);
                    System.out.println(<span class="hljs-string">&quot;&#x6CE8;&#x89E3;&#x5C5E;&#x6027;&#x540D;:&quot;</span>+requestParam.value());
                    params[i] = req.getParameter(requestParam.value());
                }<span class="hljs-keyword">else</span> {
                    <span class="hljs-keyword">continue</span>;
                }
            }

            Object invoke = method.invoke(controllerMap.get(requestURI), params);
            resp.getWriter().write(invoke.toString());
            <span class="hljs-keyword">return</span>;
        }  <span class="hljs-keyword">catch</span> (Exception e) {
            e.printStackTrace();
            resp.getWriter().write(<span class="hljs-string">&quot;500: &quot;</span>+Arrays.toString(e.getStackTrace()));
            <span class="hljs-keyword">return</span>;
        }


    }

    <span class="hljs-comment">/**
     * &#x83B7;&#x53D6;&#x914D;&#x7F6E;&#x6587;&#x4EF6;
     */</span>
    <span class="hljs-meta">@Override</span>
    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">init</span><span class="hljs-params">(ServletConfig config)</span> <span class="hljs-keyword">throws</span> ServletException </span>{
        System.out.println(<span class="hljs-string">&quot;&#x521D;&#x59CB;&#x5316;&#x4E86;&quot;</span>);

        <span class="hljs-comment">//1.&#x52A0;&#x8F7D;&#x5C5E;&#x6027;&#x6587;&#x4EF6;</span>
        initConfig(config);

        String scanPackage = myConfig.getProperty(<span class="hljs-string">&quot;scanPackage&quot;</span>);
        <span class="hljs-comment">//2.&#x626B;&#x63CF;&#x5305;</span>
        doScanPackage(scanPackage);

        <span class="hljs-comment">//3.IOC&#x5BB9;&#x5668; &#x5229;&#x7528;&#x53CD;&#x5C04;&#x5B9E;&#x4F8B;&#x5316;&#x5BF9;&#x8C61;</span>
        doInstance();

        <span class="hljs-comment">//4.DI&#x4F9D;&#x8D56;&#x6CE8;&#x5165;</span>
        doAutowired();

        <span class="hljs-comment">//5.url&#x4E0E;&#x65B9;&#x6CD5;&#x5EFA;&#x7ACB;&#x6620;&#x5C04;</span>
        doHandlerMapping();

        System.out.println(handlerMap);
        System.out.println(controllerMap);

        <span class="hljs-comment">//6.&#x53CD;&#x5C04;&#x8C03;&#x7528;&#x65B9;&#x6CD5;</span>
        <span class="hljs-comment">//do service</span>
        <span class="hljs-comment">//&#x521D;&#x59CB;&#x5316;&#x5B8C;&#x6210;</span>
        System.out.println(<span class="hljs-string">&quot;&#x521D;&#x59CB;&#x5316;&#x5B8C;&#x6210; init ok ......&quot;</span>);
<span class="hljs-comment">//        &#x6267;&#x884C;service&#x65B9;&#x6CD5;</span>


    }

    <span class="hljs-comment">//5.url&#x4E0E;&#x65B9;&#x6CD5;&#x5EFA;&#x7ACB;&#x6620;&#x5C04;</span>
    <span class="hljs-function"><span class="hljs-keyword">private</span> <span class="hljs-keyword">void</span> <span class="hljs-title">doHandlerMapping</span><span class="hljs-params">()</span> </span>{

        Collection&lt;Object&gt; values = ioc.values();
        <span class="hljs-keyword">for</span>(Object o : values){

            <span class="hljs-comment">//&#x5982;&#x679C;&#x4E0D;&#x662F;&#x5E26;&#x6709;Controller&#x6CE8;&#x89E3;&#x7684;&#x7C7B;&#x4E0D;&#x505A;&#x5904;&#x7406;</span>
            <span class="hljs-keyword">if</span>(!o.getClass().isAnnotationPresent(Controller.class)){
                <span class="hljs-keyword">continue</span>;
            }
            String head =<span class="hljs-string">&quot;/&quot;</span>;
            <span class="hljs-keyword">if</span>(o.getClass().isAnnotationPresent(RequestMapping.class)){
                RequestMapping classMapping = o.getClass().getAnnotation(RequestMapping.class);
                head += classMapping.value();
            }

            <span class="hljs-comment">//&#x5EFA;&#x7ACB;&#x6620;&#x5C04;&#x5173;&#x7CFB;</span>
            Method[] declaredMethods = o.getClass().getDeclaredMethods();
            <span class="hljs-keyword">for</span>(Method m:declaredMethods){
                <span class="hljs-comment">//&#x5982;&#x679C;&#x6CA1;&#x6709;RequestMapping,&#x4E0D;&#x505A;&#x5904;&#x7406;</span>
                <span class="hljs-keyword">if</span>(!m.isAnnotationPresent(RequestMapping.class)){
                    <span class="hljs-keyword">continue</span>;
                }

                <span class="hljs-comment">//&#x5EFA;&#x7ACB;url&#x6620;&#x5C04;method&#x5173;&#x7CFB;</span>

                RequestMapping annotation = m.getAnnotation(RequestMapping.class);


                String url = head +<span class="hljs-string">&quot;/&quot;</span>+annotation.value();
                <span class="hljs-comment">//&#x628A;&#x6240;&#x6709;&#x7684; &#x591A;&#x4E2A; &quot;///&quot; &#x66FF;&#x6362;&#x6210;&#x4E00;&#x4E2A; /</span>
                handlerMap.put(url.replaceAll(<span class="hljs-string">&quot;/+&quot;</span>,<span class="hljs-string">&quot;/&quot;</span>),m);
                controllerMap.put(url.replaceAll(<span class="hljs-string">&quot;/+&quot;</span>,<span class="hljs-string">&quot;/&quot;</span>),o);

            }

        }



    }

    <span class="hljs-function"><span class="hljs-keyword">private</span> <span class="hljs-keyword">void</span> <span class="hljs-title">doAutowired</span><span class="hljs-params">()</span> <span class="hljs-keyword">throws</span> ServletException</span>{
        Collection&lt;Object&gt; values = ioc.values();
        <span class="hljs-keyword">for</span>(Object o : values){
            Field[] declaredFields = o.getClass().getDeclaredFields();
            <span class="hljs-keyword">for</span>(Field f: declaredFields){
                <span class="hljs-keyword">if</span>(f.isAnnotationPresent(Autowired.class)){
                    f.setAccessible(<span class="hljs-keyword">true</span>);

                    String className = f.getName();
                    System.out.println(o + <span class="hljs-string">&quot;-----&#x6CE8;&#x5165;Autowired-----&quot;</span> +f.getName());

                    <span class="hljs-keyword">try</span> {
                        f.set(o,ioc.get(f.getName()));
                    } <span class="hljs-keyword">catch</span> (IllegalAccessException e) {
                        e.printStackTrace();
                        <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> ServletException(<span class="hljs-string">&quot;500 :&quot;</span> + className + <span class="hljs-string">&quot; not found! doInstance ERROR!&quot;</span> + Arrays.toString(e.getStackTrace()));
                    }
                }
            }
        }
        System.out.println(<span class="hljs-string">&quot;ioc ok&quot;</span> + ioc);
    }

    <span class="hljs-comment">//&#x9012;&#x5F52;&#x626B;&#x63CF;&#x5305;,&#x6839;&#x636E;&#x6CE8;&#x89E3;&#x5B9E;&#x4F8B;&#x5316;&#x5BF9;&#x8C61;&#x4FDD;&#x5B58;&#x5230;IOC&#x5BB9;&#x5668;&#x4E2D;</span>
    <span class="hljs-function"><span class="hljs-keyword">private</span> <span class="hljs-keyword">void</span> <span class="hljs-title">doInstance</span><span class="hljs-params">()</span> <span class="hljs-keyword">throws</span> ServletException</span>{
        <span class="hljs-keyword">for</span>(<span class="hljs-keyword">int</span> i=<span class="hljs-number">0</span>;i&lt;classNames.size();i++){
            String className = classNames.get(i);

            <span class="hljs-keyword">try</span> {
                Class&lt;?&gt; clazz = Class.forName(className);
                String simpleName = lowerCaseFirst(clazz.getSimpleName());
<span class="hljs-comment">//</span>
                <span class="hljs-keyword">if</span>(clazz.isAnnotationPresent(Controller.class)){
                    Controller annotation = clazz.getAnnotation(Controller.class);
                    <span class="hljs-keyword">if</span>(!<span class="hljs-string">&quot;&quot;</span>.equals(annotation.value())){
                        simpleName=annotation.value();
                    }
                    ioc.put(simpleName,clazz.newInstance());

                }<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(clazz.isAnnotationPresent(Service.class)){
                    Service annotation = clazz.getAnnotation(Service.class);
                    <span class="hljs-keyword">if</span>(!<span class="hljs-string">&quot;&quot;</span>.equals(annotation.value())){
                        simpleName=annotation.value();
                    }
                    Object service = clazz.newInstance();
                    ioc.put(simpleName,service);
                    Class&lt;?&gt;[] interfaces = clazz.getInterfaces();
                    <span class="hljs-keyword">for</span>(Class in : interfaces){
                        ioc.put(lowerCaseFirst(in.getSimpleName()),service);
                    }

                }<span class="hljs-keyword">else</span>{
                    <span class="hljs-keyword">continue</span>;
                }




            } <span class="hljs-keyword">catch</span> (Exception e) {
                e.printStackTrace();
                <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> ServletException(<span class="hljs-string">&quot;500 :&quot;</span> + className + <span class="hljs-string">&quot; not found! doInstance ERROR!&quot;</span> + Arrays.toString(e.getStackTrace()));
            }

        }
    }

    <span class="hljs-comment">//&#x9996;&#x5B57;&#x6BCD;&#x8F6C;&#x5C0F;&#x5199;</span>
    <span class="hljs-function"><span class="hljs-keyword">private</span> String <span class="hljs-title">lowerCaseFirst</span><span class="hljs-params">(String simpleName)</span> </span>{
        <span class="hljs-keyword">char</span>[] chars = simpleName.toCharArray();
        <span class="hljs-keyword">int</span> c = chars[<span class="hljs-number">0</span>];
        chars[<span class="hljs-number">0</span>]=(<span class="hljs-keyword">char</span>)(c+<span class="hljs-number">32</span>);
        <span class="hljs-keyword">return</span> <span class="hljs-keyword">new</span> String(chars);
    }

    <span class="hljs-function"><span class="hljs-keyword">private</span> <span class="hljs-keyword">void</span> <span class="hljs-title">doScanPackage</span><span class="hljs-params">(String scanPackage)</span> </span>{
        String folder = scanPackage.replaceAll(<span class="hljs-string">&quot;\\.&quot;</span>, <span class="hljs-string">&quot;/&quot;</span>);
        System.out.println(folder);
        <span class="hljs-comment">//&#x6839;&#x636E;&#x5305;&#x83B7;&#x53D6;&#x6587;&#x4EF6;&#x5939;</span>
        URL url = defalutClassLoader.getResource(folder);

        System.out.println(<span class="hljs-string">&quot;doScanPackage:&quot;</span> +scanPackage+<span class="hljs-string">&quot;----&gt;&quot;</span>+url);
        File file = <span class="hljs-keyword">new</span> File(url.getFile());

        <span class="hljs-comment">//&#x9012;&#x5F52;&#x83B7;&#x53D6;</span>
        <span class="hljs-keyword">for</span> (File f:file.listFiles() ) {
            <span class="hljs-keyword">if</span>(f.isDirectory()){
                doScanPackage(scanPackage + <span class="hljs-string">&quot;.&quot;</span>+f.getName());
            }<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(f.isFile() &amp;&amp; f.getName().endsWith(<span class="hljs-string">&quot;.class&quot;</span>)){
                <span class="hljs-comment">//&#x83B7;&#x53D6;&#x5230;&#x7C7B;&#x6587;&#x4EF6;</span>
                classNames.add(scanPackage + <span class="hljs-string">&quot;.&quot;</span>+f.getName().replace(<span class="hljs-string">&quot;.class&quot;</span>,<span class="hljs-string">&quot;&quot;</span>));
            }<span class="hljs-keyword">else</span> {
                <span class="hljs-keyword">continue</span>;
            }
        }

    }

    <span class="hljs-function"><span class="hljs-keyword">private</span> <span class="hljs-keyword">void</span> <span class="hljs-title">initConfig</span><span class="hljs-params">(ServletConfig config)</span> <span class="hljs-keyword">throws</span> ServletException </span>{
        defalutClassLoader = <span class="hljs-keyword">this</span>.getClass().getClassLoader();
        <span class="hljs-comment">//&#x521D;&#x59CB;&#x5316;&#x4E86;</span>
        <span class="hljs-comment">//app.conf</span>
        <span class="hljs-comment">//&#x83B7;&#x53D6;&#x914D;&#x7F6E;&#x6587;&#x4EF6;</span>
        String configuationName = config.getInitParameter(<span class="hljs-string">&quot;configuationName&quot;</span>);
        System.out.println(configuationName);
        InputStream inputStream = defalutClassLoader.getResourceAsStream(configuationName);
        <span class="hljs-keyword">try</span> {
            myConfig.load(inputStream);
        } <span class="hljs-keyword">catch</span> (IOException e) {
            e.printStackTrace();
            <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> ServletException(<span class="hljs-string">&quot;500 :&quot;</span> + configuationName + <span class="hljs-string">&quot; not exist! init ERROR!&quot;</span> + Arrays.toString(e.getStackTrace()));
        }
    }
}
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